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78951 (2003 SM205)
Classification: Main-belt Asteroid          SPK-ID: 2078951
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06456336834217 4.5289e-08  
a 2.729370906031294 2.0044e-08 au
q 2.553153526882793 1.2964e-07 au
i 5.950007313275609 5.8144e-06 deg
node 183.5408656358698 4.2061e-05 deg
peri 132.8137976384436 6.0736e-05 deg
M 308.6778963309165 4.251e-05 deg
tp 2459235.297902234292
(2021-Jan-20.79790223)
0.00019452 TDB
period 1646.994935152364
4.51
1.8143e-05
4.967e-08
d
yr
n .2185799071487103 2.4078e-09 deg/d
Q 2.905588285179795 2.1338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      10364 days (28.38 yr)  
   first obs. used      1992-03-03  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57023  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:24:56  

Additional Information
 Earth MOID = 1.54463 au 
 Jupiter MOID = 2.28049 au 
 T_jup = 3.344 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO337850  

78951 (2003 SM205)          Discovered 2003-Sep-24 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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